STMicroelectronics STM32F0 series, STM32F050K4U6A, 32-bit ARM Cortex-M0 MCU, 48 MHz, 16 KB Flash, 4 KB SRAM, 27 I/O, 2 V to 3.6 V, -40°C to 85°C, 32-UFQFN exposed pad.
| Parameter | Value |
|---|---|
| Series | STM32F0 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 48MHz |
| Package | Tray |
| RAM size | 4K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | DMA, I²S, POR, PWM, WDT |
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART |
| Number of i (O) | 27 |
| Core processor | ARM® Cortex®-M0 |
| Case | 32-UFQFN Exposed Pad |
| Data converters | A/D 10x12b |
| Program memory size | 16KB (16K x 8) |
The STM32F050K4U6A carries an obsolete lifecycle status per the manufacturer. Any BOM line using this part should be reviewed for a form-fit-function alternative.
The exposed pad also serves as the primary heat-dissipation path — without proper thermal stitching, continuous operation near the upper temperature limit may degrade reliability.
Buyers need to know lifecycle status before investing time in design or sourcing; an obsolete part may require immediate replacement planning.
Engineers and buyers must find a pin-compatible or drop-in alternative to avoid redesign costs and production delays.
Sourcing obsolete stock from trusted distributors is critical for maintaining existing boards or fulfilling small-batch needs.
Design engineers need full specifications and electrical characteristics to validate fit and ensure proper integration.
Hardware designers require exact pin mapping for PCB layout and compatibility with existing peripherals.
Procurement teams compare pricing across distributors to manage BOM cost, especially for end-of-life parts with limited availability.